Extech Instruments 421509 사용자 설명서

 

 
 
 
 
 

 

Model 421509 

 
 
 
 

•  Accepts J, K, T, E, R, S, & N thermocouples 
 
 
•  Internal Memory stores up to 16 data sets, 

with 1024 maximum data capacity 

 
 

•  Backlit Electro-luminescent LCD Display 
 
 
•  T1 / T2 / T1 – T2 displays 

 
 

•  MIN / MAX / AVG Record/Recall 

 
 

•  Selectable temperature units (C/F) 

 
 

•  Data Hold, Relative Mode, Elapsed Timer 

 
 

•  Bi-directional RS-232 PC Interface 

 
 
 
 
 
 
 
 

Congratulations on your purchase of Extech’s Dual Input, 3-Display, Hand-Held Digital 
Thermometer/Datalogger. This portable digital thermometer is designed to use external K / 
J / T / E / R / S / N type thermocouples (K-type supplied). Temperature indication follows 
Reference Temperature/Voltage Tables (N.I.S.T. Monograph 175 Revised to ITS-90). It 
features an adjustable T/C offset and an RS-232 interface for uploading data to a PC using 
optional software and cable. This professional meter, with proper care, will provide years of 
safe reliable service. 

 

MAX/MIN

421509

K

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com